# NovaAC Changelog
## v0.87.10
Combat
- Fewer false bans during intense PvP
- Improved reach detection accuracy
- Various bypasses fixed
Movement
- Improved ground detection
- Improved fly hack detection
- Fewer false positives in general movement checks
Block & Exploit
- New checks added: AirPlace, Blink, AntiWaterPush
- Improved Scaffold and FastBreak detection
- Fewer false positives on block interactions
Replay System
- Various bug fixes and stability improvements to the replay viewer
Moderation & Tools
- Improved alt account detection with ML-based correlation
- Native AdvancedBan integration for punishments
- Bug fixes and general stability improvements
Combat:
- Fixed various false positives due to reach
- Improved reach calculation system
- Made anticheat more stable and reduced false positives during intense
PvP:
- various bypasses fixed
Movement
- Improved Ground Detection: More accurate tracking of when a player is actually on the floor.
- Improved fly hack detection
Moderation & Tools:
- Added invsee also for offline players
- Bug fixes and general stability improvements
Combat
- Improved false positive handling across multiple PvP scenarios.
- Fixed several combat related false positives reported during real PvP testing.
- Improved Reach Compensation: added target history and entity position history support for more accurate hit validation.
- Velocity Pattern Detection: added percentage based knockback classification for reduced velocity detection.
- Better Hitbox Accuracy: improved reach and hitbox checks around ping, movement, and Bedrock compensation.
- Improved KillAura heuristics with safer confidence handling and better PvP tolerance.
- Fixed multiple combat event errors, including NullPointerException and ArrayIndexOutOfBoundsException.
Movement
- Improved false positive handling for jumping, bridging, block placing, cobweb combat, Elytra movement, and PvP knockback cases.
- Fixed several bypasses and weak detection paths in movement checks.
- Improved Simulation Engine: added advanced prediction logic with environmental awareness.
Commands And Tools
- Added /nova command: new command for GUI and Nova subcommands.
- Updated Staff Access: /nova supports gui, alerts, reload, spectate, unspectate, reset, info, and banhammer.
- Improved update checker support for the Spigot resource page.
General
Multiple stability fixes.
Combat:
Improved AutoClicker Stability: reduced false flags after digging/block breaking and reset suspicious animation patterns correctly.
Improved Criticals Detection: added tighter coverage for small client-side critical spoof patterns.
Improved FastBow / NoSlow Coverage: better detection around bow usage, shield, eating, and slowdown abuse.
Movement:
Improved Bypass Coverage: strengthened Fly, NoWeb, LiquidWalk, HighJump, TerrainSpeed, BoatFly, ElytraFly, and InventoryMove handling.
Reduced False Positives: added safer exemptions for boats, vehicle exits, levitation, downhill sprinting, ice/water movement, and post-BoatFly recovery.
Improved Speed / NoWeb Detection: checks now flag certain bypasses earlier while keeping normal movement safer.
System:
Added HP Indicator Protection: player health metadata can now be masked from cheat client health indicators.
Fixed Checks GUI: missing checks are now listed/configurable, and check buttons now toggle the correct module instead of opening wrong menus.
NovaAC v0.58.106 - Simulation & Combat Accuracy Update
Combat
- Improved Reach Compensation: Added target history and entity position history support for more accurate hit validation.
- Velocity Pattern Detection: Added percentage based knockback classification for reduced velocity detection.
- Better Hitbox Accuracy: Improved reach and hitbox checks around ping, movement, and Bedrock compensation.
Movement
- Improved Simulation Engine: Added advanced prediction logic with environmental awareness.
- Axis Based Uncertainty: Simulation now tracks X, Y, and Z uncertainty separately.
- Ghost Block Protection: Added recent block change and ghost block risk handling to reduce false positives.
- Better Environment Handling: Added safer handling for climbable blocks, bubble columns, powder snow, pistons, fences, walls, panes, and edge movement.
- Vehicle Fix: Fixed BadPackets (B) false positives while players are inside boats or vehicles.
Commands And Tools
- Added /nova Command: New command for GUI and Nova subcommands.
- Updated Staff Access: /nova supports gui, alerts, reload, spectate, unspectate, reset, info, and banhammer.
- Existing Staff Tools Preserved: /novaac, banhammer, spectate, invsee, and ecsee remain available.
AlphaAC v0.41.16 - Structure & False Positive Update
Combat
- Improved Reach Check with ping compensation
- Enhanced AimAssist detection
- Added GhostHand (interact-through-block) check
Movement
- Fixed Elytra false positives
- Reduced NoFall false flags after teleports
- Fixed GroundSpoof on stairs/slabs
Block
- Added Nuker detection
- Added Inventory click-spam check
Core
- Improved lag compensation
- Fixed server-teleport false flags
AlphaAC v0.40.76
1. Fixed various bugs and stability improvements
2. Fixed a bug causing AutoClicker false flags when mining blocks for extended periods
AlphaAC v0.40.16 - Detection & Stability Update
Combat Engine
• Reworked Reach Check: Improved reach check
• AimAssist Improvements: Integrated the robotic GCD detection alongside the new sensitivity grid check for superior aim lock prevention.
Movement Engine
• NoWeb Optimization: Drastically improved NoSlow detection responsiveness inside cobwebs.
• Movement Stability: Fixed a vertical velocity reset bug in the SimulationEngine.
• Timer Adjustments: Reverted overly aggressive Timer thresholds to prevent false flags on connections with moderate jitter.
• Lag Compensation: Added advanced Ping Variance exemptions to the NoSlow check.
Core & Performance
• Configuration: Added missing 'noslow' toggle to the checks.yml configuration.
